diff --git a/openbsc/include/openbsc/abis_nm.h b/openbsc/include/openbsc/abis_nm.h
index 5f11c45..ef60605 100644
--- a/openbsc/include/openbsc/abis_nm.h
+++ b/openbsc/include/openbsc/abis_nm.h
@@ -53,10 +53,6 @@
 	uint8_t ca_list_si1[16];
 };
 
-extern const struct value_string abis_nm_adm_state_names[];
-extern const struct value_string abis_nm_obj_class_names[];
-extern const struct tlv_definition nm_att_tlvdef;
-
 /* PUBLIC */
 
 struct msgb;
@@ -159,8 +155,6 @@
 const char *ipacc_testres_name(uint8_t res);
 
 /* Functions calling into other code parts */
-const char *nm_opstate_name(uint8_t os);
-const char *nm_avail_name(uint8_t avail);
 int nm_is_running(struct gsm_nm_state *s);
 
 int abis_nm_vty_init(void);
diff --git a/openbsc/src/libbsc/abis_nm_vty.c b/openbsc/src/libbsc/abis_nm_vty.c
index 3a16b2b..bcbc92d 100644
--- a/openbsc/src/libbsc/abis_nm_vty.c
+++ b/openbsc/src/libbsc/abis_nm_vty.c
@@ -26,6 +26,8 @@
 
 #include <arpa/inet.h>
 
+#include <osmocom/gsm/abis_nm.h>
+
 #include <openbsc/gsm_data.h>
 #include <osmocom/core/msgb.h>
 #include <osmocom/gsm/tlv.h>